43628312171863 has 2 divisors, whose sum is σ = 43628312171864. Its totient is φ = 43628312171862.

The previous prime is 43628312171837. The next prime is 43628312171933. The reversal of 43628312171863 is 36817121382634.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43628312171863 - 2¹⁷ = 43628312040791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43628312171813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21814156085931 + 21814156085932.

It is an arithmetic number, because the mean of its divisors is an integer number (21814156085932).

Almost surely, 2^{43628312171863} is an apocalyptic number.

43628312171863 is a deficient number, since it is larger than the sum of its proper divisors (1).

43628312171863 is an equidigital number, since it uses as much as digits as its factorization.

43628312171863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 55.

The spelling of 43628312171863 in words is "forty-three trillion, six hundred twenty-eight billion, three hundred twelve million, one hundred seventy-one thousand, eight hundred sixty-three".